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Finding the Fourth Proportional to 127,656.66, 176,173.89 and 73,958.58

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Solution

The fourth proportional to 127,656.66, 176,173.89 and 73,958.58 is: 102,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,656.66 : 176,173.89 = 73,958.58 : x
  2. Step 2: Convert to fraction form
    127,656.66/176,173.89 = 73,958.58/x
  3. Step 3: Cross multiply
    127,656.66x = 176,173.89 × 73,958.58
  4. Step 4: Simplify right side
    127,656.66x = 13,029,570,737.48
  5. Step 5: Solve for x
    x = 13,029,570,737.48/127,656.66
  6. Step 6: Final answer
    x = 102,067.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.